Fix content scale in NativeHost
Use multi-thread policy for audio
FreeImage error log messages
IOError from Bacon instead of unknown when loading images
No error when deleting unloaded image
IOError loading audio file; log message
IOError loading font file; log message
bacon.run() can be reentrant
Fix line breaking when glyph doesn't fit; closes #56
Add Font.measure_string, closes #49
Command queue for all rendering commands
Audio load error
Disable shader for debug overlay
Fix shader commands
Fix window_target
Fix crash due to allocation moving handle
Merge branch 'master' into iOS

Conflicts:
	native/Source/Bacon/Graphics.cpp
Fix iOS build with command queue, enable -O3 and LTCG